/*
 * Copyright (c) 2011-2013, Peter Abeles. All Rights Reserved.
 *
 * This file is part of BoofCV (http://boofcv.org).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package boofcv.alg.weights;

import boofcv.factory.filter.kernel.FactoryKernelGaussian;

/**
 * @author Peter Abeles
 */
public class WeightPixelGaussian_F32 extends WeightPixelKernel_F32 {
	@Override
	public void setRadius(int radiusX , int radiusY) {

		if( radiusX != radiusY )
			throw new IllegalArgumentException("Non-symmetric kernels are not yet supported.  You can request this feature");

		int radius = radiusX;
		if( kernel == null || kernel.getRadius() != radius ) {
			double sigma = FactoryKernelGaussian.sigmaForRadius(radius,0);
			kernel = FactoryKernelGaussian.gaussian2D_F32((float)sigma,radius,true);
		}
	}
}
